Updated 8 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,764exploited flaws on CISA’s list

35added in the last 30 days

457new WordPress flaws this week

390,525entries in the database

157 results · page 1 of 4

Oct 29, 2026Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference VulnerabilityCVE-2026-76418 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.6
A vulnerability in the Remote Access SSL VPN service of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to logic errors when secondary authentication is configured on a tunnel group. An attacker could exploit this vulnerability by sending a crafted request when connecting to the SSL remote access VPN. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Product
Secure Firewall ASA Software and Cisco Secure FTD Software
On CISA’s list since
Oct 29, 2026 (federal fix deadline Nov 1, 2026)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com cisa.gov
Oct 4, 2026Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer VulnerabilityCVE-2026-88779 · Network & remote access · Citrix · reported by 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5ExploitedHigh 8.7
Citrix NetScaler ADC (formerly Citrix ADC) and Citrix NetScaler Gateway (formerly Citrix Gateway) contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for a denial of service.
Product
NetScaler
On CISA’s list since
Oct 4, 2026 (federal fix deadline Oct 7, 2026)
What to do
Attackers are using this now. Install Citrix’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.citrix.com community.citrix.com
Sep 27, 2026Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer VulnerabilityCVE-2026-88772 · Network & remote access · Citrix · reported by 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5ExploitedCritical 9.5
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for remote code execution or denial of service
Product
NetScaler
On CISA’s list since
Sep 27, 2026 (federal fix deadline Sep 30, 2026)
What to do
Attackers are using this now. Install Citrix’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.citrix.com cisa.gov
Sep 22, 2026F5 BIG-IP APM Heap-based Buffer Overflow VulnerabilityCVE-2026-94127 · Network & remote access · F5 · reported by f5sirt@f5.comExploitedCritical 9.3
F5 BIG-IP APM contains a heap-based buffer overflow vulnerability when access policy and an OAuth profile are configured on a virtual server. This vulnerability could allow an unauthenticated attacker to perform remote code execution.
Product
BIG-IP APM
On CISA’s list since
Sep 22, 2026 (federal fix deadline Sep 25, 2026)
What to do
Attackers are using this now. Install F5’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog my.f5.com cisa.gov
Sep 21, 2026Zyxel GS1900 Series Switches Stack-Based Buffer Overflow VulnerabilityCVE-2026-7273 · Network & remote access · Zyxel · reported by security@zyxel.com.twExploitedHigh 8.8
Zyxel GS1900 series switches contain a stack-based buffer overflow vulnerability in the CGI program which could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Product
GS1900 Series Switches
On CISA’s list since
Sep 21, 2026 (federal fix deadline Sep 24, 2026)
What to do
Attackers are using this now. Install Zyxel’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog zyxel.com cisa.gov
Sep 9, 2026Fortinet Multiple Products Heap-based Buffer Overflow VulnerabilityCVE-2025-25249 · Network & remote access · Fortinet · reported by psirt@fortinet.comExploitedHigh 8.1
Fortinet FortiOS, FortiSwitchManager, and FortiSASE contain a heap-based buffer overflow vulnerability that allows an attacker to execute unauthorized code or commands via specially crafted packets.
Product
Multiple Products
On CISA’s list since
Sep 9, 2026 (federal fix deadline Sep 12, 2026)
What to do
Attackers are using this now. Install Fortinet’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog fortiguard.fortinet.com cert-portal.siemens.com
Sep 8, 2026Microsoft Windows Heap-Based Buffer Overflow VulnerabilityCVE-2026-85880 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Advanced Local Procedure Call contains a heap-based buffer overflow vulnerability that allows an attacker to elevate privileges locally.
Product
Windows
On CISA’s list since
Sep 8, 2026 (federal fix deadline Sep 22, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
Aug 31, 2026PaperCut NG/MF Unsafe Reflection VulnerabilityCVE-2026-82078 · Other software · PaperCut · reported by eb41dac7-0af8-4f84-9f6d-0272772514f4ExploitedCritical 9.4
PaperCut NG/MF contains an unsafe reflection vulnerability that allows an attacker to manipulate system configuration parameters and execute arbitrary Java bytecode residing on the application classpath under the security context of the PaperCut server process. This vulnerability can be chained with CVE-2026-81578.
Product
NG/MF
On CISA’s list since
Aug 31, 2026 (federal fix deadline Sep 14, 2026)
What to do
Attackers are using this now. Install PaperCut’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog papercut.com github.com
Aug 26, 2026Ajax.NET Professional Deserialization of Untrusted Data VulnerabilityCVE-2021-23758 · Other software · Ajax.NET Professional · reported by report@snyk.ioExploitedHigh 8.1
Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for remote code execution via arbitrary .NET classes. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Product
Ajax.NET Professional
On CISA’s list since
Aug 26, 2026 (federal fix deadline Sep 9, 2026)
What to do
Attackers are using this now. Install Ajax.NET Professional’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog packetstormsecurity.com github.com
Aug 26, 2026Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer VulnerabilityCVE-2026-8452 · Network & remote access · Citrix · reported by 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5ExploitedHigh 8.8
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability which could lead to denial of service.
Product
NetScaler ADC and NetScaler Gateway
On CISA’s list since
Aug 26, 2026 (federal fix deadline Aug 29, 2026)
What to do
Attackers are using this now. Install Citrix’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.citrix.com cisa.gov
Aug 11, 2026Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection VulnerabilityCVE-2026-20349 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedHigh 8.6
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Product
Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD)
On CISA’s list since
Aug 11, 2026 (federal fix deadline Aug 14, 2026)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com cisa.gov
Jul 21, 2026DD-WRT Stack-Based Buffer Overflow VulnerabilityCVE-2021-27137 · Other software · DD-WRT · reported by MITREExploitedHigh 8.1
DD-WRT contains a stack-based buffer overflow vulnerability that could allow an unauthenticated attacker to overflow an internal buffer used by UPnP and trigger a code execution vulnerability.
Product
DD-WRT
On CISA’s list since
Jul 21, 2026 (federal fix deadline Jul 24, 2026)
What to do
Attackers are using this now. Install DD-WRT’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog securityaffairs.com ssd-disclosure.com
Jul 14, 2026Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability CVE-2026-56155 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Active Directory Federation Services contains an insufficient granularity of access control vulnerability that allows an authorized attacker to elevate privileges locally.
Product
Active Directory Federation Services
On CISA’s list since
Jul 14, 2026 (federal fix deadline Jul 28, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
May 20, 2026Microsoft Defender Denial of Service VulnerabilityCVE-2026-45498 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedMedium 4
Microsoft Defender contains an unspecified vulnerability that allows for denial of service.
Product
Defender
On CISA’s list since
May 20, 2026 (federal fix deadline Jun 3, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
May 20, 2026Microsoft Windows Buffer Overflow VulnerabilityCVE-2008-4250 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedCritical 9.8
Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.
Product
Windows
On CISA’s list since
May 20, 2026 (federal fix deadline Jun 3, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog blogs.securiteam.com marc.info
May 20, 2026Adobe Acrobat and Reader Heap-Based Buffer Overflow VulnerabilityCVE-2009-3459 · Email & office · Adobe · reported by AdobeExploitedHigh 8.8
Adobe Acrobat and Reader contain a heap-based buffer overflow vulnerability which could allow remote attackers to execute arbitrary code via a crafted PDF file that triggers memory corruption.
Product
Acrobat and Reader
On CISA’s list since
May 20, 2026 (federal fix deadline Jun 3, 2026)
What to do
Attackers are using this now. Install Adobe’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog blogs.adobe.com isc.sans.org
May 20, 2026Microsoft Defender Link Following VulnerabilityCVE-2026-41091 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally.
Product
Defender
On CISA’s list since
May 20, 2026 (federal fix deadline Jun 3, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
May 1, 2026Linux Kernel Incorrect Resource Transfer Between Spheres VulnerabilityCVE-2026-31431 · Computers, phones & browsers · Linux · reported by 416baaa9-dc9f-4396-8d5f-8c081fb06d67ExploitedHigh 7.8
Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.
Product
Kernel
On CISA’s list since
May 1, 2026 (federal fix deadline May 15, 2026)
What to do
Attackers are using this now. Install Linux’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog git.kernel.org git.kernel.org
Apr 22, 2026Microsoft Defender Insufficient Granularity of Access Control VulnerabilityCVE-2026-33825 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedRansomwareHigh 7.8
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
Product
Defender
On CISA’s list since
Apr 22, 2026 (federal fix deadline May 6, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
Mar 27, 2026F5 BIG-IP Stack-Based Buffer Overflow VulnerabilityCVE-2025-53521 · Network & remote access · F5 · reported by f5sirt@f5.comExploitedCritical 9.3
F5 BIG-IP APM contains a stack-based buffer overflow vulnerability that could allow a threat actor to achieve remote code execution.
Product
BIG-IP
On CISA’s list since
Mar 27, 2026 (federal fix deadline Mar 30, 2026)
What to do
Attackers are using this now. Install F5’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog my.f5.com cisa.gov
Mar 20, 2026Apple Multiple Products Classic Buffer Overflow VulnerabilityCVE-2025-43520 · Computers, phones & browsers · Apple · reported by product-security@apple.comExploitedMedium 5.5
Apple watchOS, iOS, iPadOS, macOS, visionOS, and tvOS contain a classic buffer overflow vulnerability which could allow a malicious application to cause unexpected system termination or write kernel memory.
Product
Multiple Products
On CISA’s list since
Mar 20, 2026 (federal fix deadline Apr 3, 2026)
What to do
Attackers are using this now. Install Apple’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.apple.com support.apple.com
Mar 20, 2026Apple Multiple Products Buffer Overflow VulnerabilityCVE-2025-31277 · Computers, phones & browsers · Apple · reported by product-security@apple.comExploitedHigh 8.8
Apple Safari, iOS, watchOS, visionOS, iPadOS, macOS, and tvOS contain a buffer overflow vulnerability that could allow the processing of maliciously crafted web content which may lead to memory corruption.
Product
Multiple Products
On CISA’s list since
Mar 20, 2026 (federal fix deadline Apr 3, 2026)
What to do
Attackers are using this now. Install Apple’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.apple.com support.apple.com
Mar 13, 2026Google Chromium V8 Improper Restriction of Operations Within the Bounds of a Memory Buffer VulnerabilityCVE-2026-3910 · Computers, phones & browsers · Google · reported by chrome-cve-admin@google.comExploitedHigh 8.8
Google Chromium V8 contains an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Product
Chromium V8
On CISA’s list since
Mar 13, 2026 (federal fix deadline Mar 27, 2026)
What to do
Attackers are using this now. Install Google’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog chromereleases.googleblog.com issues.chromium.org
Feb 12, 2026Apple Multiple Buffer Overflow VulnerabilityCVE-2026-20700 · Computers, phones & browsers · Apple · reported by product-security@apple.comExploitedHigh 7.8
Apple iOS, macOS, tvOS, watchOS, and visionOS contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow an attacker with memory write the capability to execute arbitrary code.
Product
Multiple Products
On CISA’s list since
Feb 12, 2026 (federal fix deadline Mar 5, 2026)
What to do
Attackers are using this now. Install Apple’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.apple.com support.apple.com
Feb 10, 2026Microsoft Windows NULL Pointer Dereference VulnerabilityCVE-2026-21525 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedMedium 6.2
Microsoft Windows Remote Access Connection Manager contains a NULL pointer dereference that could allow an unauthorized attacker to deny service locally.
Product
Windows
On CISA’s list since
Feb 10, 2026 (federal fix deadline Mar 3, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com vicarius.io
Jan 26, 2026Microsoft Office Security Feature Bypass VulnerabilityCVE-2026-21509 · Email & office · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a security feature locally. Some of the impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.
Product
Office
On CISA’s list since
Jan 26, 2026 (federal fix deadline Feb 16, 2026)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com vicarius.io
Dec 11, 2025OSGeo GeoServer Improper Restriction of XML External Entity Reference VulnerabilityCVE-2025-58360 · Other software · OSGeo · reported by GitHubExploitedHigh 8.2
OSGeo GeoServer contains an improper restriction of XML external entity reference vulnerability that occurs when the application accepts XML input through a specific endpoint /geoserver/wms operation GetMap and could allow an attacker to define external entities within the XML request.
Product
GeoServer
On CISA’s list since
Dec 11, 2025 (federal fix deadline Jan 1, 2026)
What to do
Attackers are using this now. Install OSGeo’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog github.com osgeo-org.atlassian.net
Dec 8, 2025D-Link Routers Buffer Overflow VulnerabilityCVE-2022-37055 · Network & remote access · D-Link · reported by MITREExploitedCritical 9.8
D-Link Routers contains a buffer overflow vulnerability that has a high impact on confidentiality, integrity, and availability. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.
Product
Routers
On CISA’s list since
Dec 8, 2025 (federal fix deadline Dec 29, 2025)
What to do
Attackers are using this now. Install D-Link’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog drive.google.com supportannouncement.us.dlink.com
Oct 30, 2025Broadcom VMware Aria Operations and VMware Tools Privilege Defined with Unsafe Actions VulnerabilityCVE-2025-41244 · Other software · Broadcom · reported by security@vmware.comExploitedHigh 7.8
Broadcom VMware Aria Operations and VMware Tools contain a privilege defined with unsafe actions vulnerability. A malicious local actor with non-administrative privileges having access to a VM with VMware Tools installed and managed by Aria Operations with SDMP enabled may exploit this vulnerability to escalate privileges to root on the same VM.
Product
VMware Aria Operations and VMware Tools
On CISA’s list since
Oct 30, 2025 (federal fix deadline Nov 20, 2025)
What to do
Attackers are using this now. Install Broadcom’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.broadcom.com openwall.com
Oct 14, 2025Microsoft Windows Untrusted Pointer Dereference VulnerabilityCVE-2025-24990 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Agere Modem Driver contains an untrusted pointer dereference vulnerability that allows for privilege escalation. An attacker who successfully exploited this vulnerability could gain administrator privileges.
Product
Windows
On CISA’s list since
Oct 14, 2025 (federal fix deadline Nov 4, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com vicarius.io
Sep 25, 2025Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Missing Authorization VulnerabilityCVE-2025-20362 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedMedium 6.5
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a missing authorization vulnerability. This vulnerability could be chained with CVE-2025-20333.
Product
Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
On CISA’s list since
Sep 25, 2025 (federal fix deadline Sep 26, 2025)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com sec.cloudapps.cisco.com
Sep 25, 2025Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow VulnerabilityCVE-2025-20333 · Network & remote access · Cisco · reported by psirt@cisco.comExploitedCritical 9.9
Cisco Secure Firewall Adaptive Security (ASA) Appliance and Secure Firewall Threat Defense (FTD) Software VPN Web Server contain a buffer overflow vulnerability that allows for remote code execution. This vulnerability could be chained with CVE-2025-20362.
Product
Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
On CISA’s list since
Sep 25, 2025 (federal fix deadline Sep 26, 2025)
What to do
Attackers are using this now. Install Cisco’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog sec.cloudapps.cisco.com sec.cloudapps.cisco.com
Jul 22, 2025SysAid On-Prem Improper Restriction of XML External Entity Reference VulnerabilityCVE-2025-2775 · Other software · SysAid · reported by VulnCheckExploitedCritical 9.3
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.
Product
SysAid On-Prem
On CISA’s list since
Jul 22, 2025 (federal fix deadline Aug 12, 2025)
What to do
Attackers are using this now. Install SysAid’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog documentation.sysaid.com labs.watchtowr.com
Jul 22, 2025SysAid On-Prem Improper Restriction of XML External Entity Reference VulnerabilityCVE-2025-2776 · Other software · SysAid · reported by VulnCheckExploitedCritical 9.3
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.
Product
SysAid On-Prem
On CISA’s list since
Jul 22, 2025 (federal fix deadline Aug 12, 2025)
What to do
Attackers are using this now. Install SysAid’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog documentation.sysaid.com labs.watchtowr.com
Jul 7, 2025Multi-Router Looking Glass (MRLG) Buffer Overflow VulnerabilityCVE-2014-3931 · Other software · Looking Glass · reported by MITREExploitedCritical 9.8
Multi-Router Looking Glass (MRLG) contains a buffer overflow vulnerability that could allow remote attackers to cause an arbitrary memory write and memory corruption.
Product
Multi-Router Looking Glass (MRLG)
On CISA’s list since
Jul 7, 2025 (federal fix deadline Jul 28, 2025)
What to do
Attackers are using this now. Install Looking Glass’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog mrlg.op-sec.us s3.eurecom.fr
Jun 30, 2025Citrix NetScaler ADC and Gateway Buffer Overflow VulnerabilityCVE-2025-6543 · Network & remote access · Citrix · reported by secure@citrix.comExploitedCritical 9.2
Citrix NetScaler ADC and Gateway contain a buffer overflow vulnerability leading to unintended control flow and Denial of Service. NetScaler must be configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.
Product
NetScaler ADC and Gateway
On CISA’s list since
Jun 30, 2025 (federal fix deadline Jul 21, 2025)
What to do
Attackers are using this now. Install Citrix’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog support.citrix.com cisa.gov
May 14, 2025Fortinet Multiple Products Stack-Based Buffer Overflow VulnerabilityCVE-2025-32756 · Network & remote access · Fortinet · reported by psirt@fortinet.comExploitedCritical 9.8
Fortinet FortiFone, FortiVoice, FortiNDR and FortiMail contain a stack-based overflow vulnerability that may allow a remote unauthenticated attacker to execute arbitrary code or commands via crafted HTTP requests.
Product
Multiple Products
On CISA’s list since
May 14, 2025 (federal fix deadline Jun 4, 2025)
What to do
Attackers are using this now. Install Fortinet’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog fortiguard.fortinet.com cisa.gov
May 13, 2025Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow VulnerabilityCVE-2025-32706 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Common Log File System (CLFS) Driver contains a heap-based buffer overflow vulnerability that allows an authorized attacker to elevate privileges locally.
Product
Windows
On CISA’s list since
May 13, 2025 (federal fix deadline Jun 3, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com vicarius.io
Apr 28, 2025Qualitia Active! Mail Stack-Based Buffer Overflow VulnerabilityCVE-2025-42599 · Other software · Qualitia · reported by vultures@jpcert.or.jpExploitedCritical 9.8
Qualitia Active! Mail contains a stack-based buffer overflow vulnerability that allows a remote, unauthenticated attacker to execute arbitrary or trigger a denial-of-service via a specially crafted request.
Product
Active! Mail
On CISA’s list since
Apr 28, 2025 (federal fix deadline May 19, 2025)
What to do
Attackers are using this now. Install Qualitia’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog jvn.jp qualitia.com
Apr 4, 2025Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow VulnerabilityCVE-2025-22457 · Network & remote access · Ivanti · reported by 3c1d8aa1-5a33-4ea4-8992-aadd6440af75ExploitedRansomwareCritical 9
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contains a stack-based buffer overflow vulnerability that allows a remote unauthenticated attacker to achieve remote code execution.
Product
Connect Secure, Policy Secure, and ZTA Gateways
On CISA’s list since
Apr 4, 2025 (federal fix deadline Apr 11, 2025)
What to do
Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog forums.ivanti.com cisa.gov
Mar 11, 2025Microsoft Windows NTFS Heap-Based Buffer Overflow VulnerabilityCVE-2025-24993 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows New Technology File System (NTFS) contains a heap-based buffer overflow vulnerability that allows an unauthorized attacker to execute code locally.
Product
Windows
On CISA’s list since
Mar 11, 2025 (federal fix deadline Apr 1, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
Feb 24, 2025Oracle Agile Product Lifecycle Management (PLM) Deserialization VulnerabilityCVE-2024-20953 · Other software · Oracle · reported by secalert_us@oracle.comExploitedHigh 8.8
Oracle Agile Product Lifecycle Management (PLM) contains a deserialization vulnerability that allows a low-privileged attacker with network access via HTTP to compromise the system.
Product
Agile Product Lifecycle Management (PLM)
On CISA’s list since
Feb 24, 2025 (federal fix deadline Mar 17, 2025)
What to do
Attackers are using this now. Install Oracle’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog oracle.com oracle.com
Feb 11, 2025Microsoft Windows Ancillary Function Driver for WinSock Heap-Based Buffer Overflow VulnerabilityCVE-2025-21418 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Ancillary Function Driver for WinSock contains a heap-based buffer overflow vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM privileges.
Product
Windows
On CISA’s list since
Feb 11, 2025 (federal fix deadline Mar 4, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com cisa.gov
Feb 6, 2025Sophos XG Firewall Buffer Overflow VulnerabilityCVE-2020-15069 · Network & remote access · Sophos · reported by MITREExploitedCritical 9.8
Sophos XG Firewall contains a buffer overflow vulnerability that allows for remote code execution via the "HTTP/S bookmark" feature.
Product
XG Firewall
On CISA’s list since
Feb 6, 2025 (federal fix deadline Feb 27, 2025)
What to do
Attackers are using this now. Install Sophos’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog community.sophos.com community.sophos.com
Jan 14, 2025Microsoft Windows Hyper-V NT Kernel Integration VSP Heap-based Buffer Overflow VulnerabilityCVE-2025-21333 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Hyper-V NT Kernel Integration VSP contains a heap-based buffer overflow vulnerability that allows a local attacker to gain SYSTEM privileges.
Product
Windows
On CISA’s list since
Jan 14, 2025 (federal fix deadline Feb 4, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com exploit-db.com
Jan 8, 2025Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow VulnerabilityCVE-2025-0282 · Network & remote access · Ivanti · reported by 3c1d8aa1-5a33-4ea4-8992-aadd6440af75ExploitedRansomwareCritical 9
Ivanti Connect Secure, Policy Secure, and ZTA Gateways contain a stack-based buffer overflow which can lead to unauthenticated remote code execution.
Product
Connect Secure, Policy Secure, and ZTA Gateways
On CISA’s list since
Jan 8, 2025 (federal fix deadline Jan 15, 2025)
What to do
Attackers are using this now. Install Ivanti’s update today (ransomware groups use this one). If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog forums.ivanti.com cloud.google.com
Dec 16, 2024Microsoft Windows Kernel-Mode Driver Untrusted Pointer Dereference Vulnerability CVE-2024-35250 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Kernel-Mode Driver contains an untrusted pointer dereference vulnerability that allows a local attacker to escalate privileges.
Product
Windows
On CISA’s list since
Dec 16, 2024 (federal fix deadline Jan 6, 2025)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com msrc.microsoft.com
Dec 10, 2024Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow VulnerabilityCVE-2024-49138 · Computers, phones & browsers · Microsoft · reported by secure@microsoft.comExploitedHigh 7.8
Microsoft Windows Common Log File System (CLFS) driver contains a heap-based buffer overflow vulnerability that allows a local attacker to escalate privileges.
Product
Windows
On CISA’s list since
Dec 10, 2024 (federal fix deadline Dec 31, 2024)
What to do
Attackers are using this now. Install Microsoft’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog msrc.microsoft.com packetstorm.news
Dec 3, 2024North Grid Proself Improper Restriction of XML External Entity (XXE) Reference VulnerabilityCVE-2023-45727 · Other software · North Grid · reported by vultures@jpcert.or.jpExploitedHigh 7.5
North Grid Proself Enterprise/Standard, Gateway, and Mail Sanitize contain an improper restriction of XML External Entity (XXE) reference vulnerability, which could allow a remote, unauthenticated attacker to conduct an XXE attack.
Product
Proself
On CISA’s list since
Dec 3, 2024 (federal fix deadline Dec 24, 2024)
What to do
Attackers are using this now. Install North Grid’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog jvn.jp proself.jp
Nov 21, 2024Oracle Agile Product Lifecycle Management (PLM) Incorrect Authorization VulnerabilityCVE-2024-21287 · Other software · Oracle · reported by secalert_us@oracle.comExploitedHigh 7.5
Oracle Agile Product Lifecycle Management (PLM) contains an incorrect authorization vulnerability in the Process Extension component of the Software Development Kit. Successful exploitation of this vulnerability may result in unauthenticated file disclosure.
Product
Agile Product Lifecycle Management (PLM)
On CISA’s list since
Nov 21, 2024 (federal fix deadline Dec 12, 2024)
What to do
Attackers are using this now. Install Oracle’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
Full record and what to do →NVD record CISA catalog oracle.com cisa.gov

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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